Auchenipterichthys coracoideus (zamora woodcat) spawned

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Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Hi All,

I awoke this morning to find Zamora woodcat () eggs all over my tank. From what I've been told, I know they aren't difficult to breed; but there just isn't a lot written about spawning them. (There's only one other BLOG entry, and a brief forum post from 2007 by @Shaun, linked here).

The eggs are a transparent milky color, almost invisible. I hope they are viable and developing. About 1-2 weeks ago, I saw two fungused eggs attached to my sponge filter, but didn't know which species produced them (tankmates include and ); I suspected they were zamora eggs, and I now know they were.

Video to follow.

Cheers, Eric
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Auchenipterichthys coracoideus first recorded spawn 2019-04-20.png
zamora spawning tank.jpg
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by Mol_PMB »

Congratulations, Eric! I’ll be following developments with interest - I’ve never kept woodcats but always been rather tempted by them.

My fish seem to be celebrating Easter with eggs as well - I had spawns from Corydoras oiapoquensis, Farlowella vittata and Biotodoma cupido all on Thursday.
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Hi Paul,

Thank you. And congratulations to you also for all your new eggs! :YMAPPLAUSE:

Cheers, Eric
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by MarcW »

Congratulations Eric, I'm still waiting for a woodcat spawn.

Hopefully the eggs develop well and you get some young.
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Thanks Marc!

I gotta stop looking into the tank. Every time I find another stray egg, I add it to the basket. Now I'm up to 121 eggs recovered (and I still see at least 5 more eggs loose in the tank)!

Here's a retelling of the spawning circumstances (recorded on day of spawn):

Cheers, Eric

Auchenipterichthys coracoideus first recorded spawn

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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

UPDATE: on Sun April 21, I sifted through the plant leaves and got over 10 more eggs, and I still see more in the tank. These are not another spawn, they are leftovers from the day before. Now I've got at least 131 eggs collected, and I estimate there's probably 140-150 total if you count the eggs still loose in the tank and the 2-3 I destroyed trying to collect.
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by Jools »

Great work! I guess you're going to raise them in a nursery tank or similar? You might glean some useful info from spawns of ?

Cheers,

Jools
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Jools wrote: 22 Apr 2019, 09:22Great work! I guess you're going to raise them in a nursery tank or similar? You might glean some useful info from spawns of ?
Thanks Jools,

Right now the eggs are in a fry basket to hatch, and if they hatch I'll leave them in the basket for at least a week or three to keep them in their parent's water. Then I'll move them to a grow out tank.

There's another guy near me who's had 4-5 spawns from this same species (in fact, I split my group of 8 fish to give him half my adults), and already he has about 100 surviving fry, the largest about 1.5" (plus about 100 more eggs about to hatch). I've been turning to him for advice so far. That said, yes I have looked at a couple of Tatia reports, but haven't taken the time yet to dig deeper. I definitely will.

Cheers, Eric
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Eggs are now over 48 hours old, and some have changed from a translucent milky color (both egg and jelly coat) to a transparent yellow egg with clear jelly coat (see photo). On each yellow yolk mass is a thin 2-3mm white embryo wiggling around within the jelly coat. Many eggs/jelly coats are still white and some are starting to fungus.

I don't have a good sense of how many are yellow, but I can count about a dozen.

Hmmm. Interesting change. My friend foretold me that the eggs were yellow, but I couldn't see any like that until now. I wonder if these were yellow on the morning after being laid and I simply didn't notice them through the milky jelly coats?

Time will tell! :-D

Cheers, Eric
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Auchenipterichthys coracoideus eggs 50-55 hrs old 2019-04-22.jpg
Photo shows three yellow eggs
Photo shows three yellow eggs
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

On Thursday, day 5 after laying, the eggs started hatching, and a few more are still hatching this morning.

But the new news is that also this morning, 7 days after the first spawn, I see fresh eggs! :-)
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by CoryWally »

A great achievement Eric.

I hadn't heard of them being spawned before.

Looking forward to your updates.

Mark.
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Thanks Mark. It's certainly exciting for me to watch the eggs and fry develop. :-BD

As far as previous spawns, I know two people, one personally, in the USA who've spawned these in the last 6 months or so.

As for my own fish, from the first 140 eggs I collected, I can only estimate the number hatching because the babies move so fast I can't actually count them individually. I said above that only about a dozen eggs turned yellow, but now I think it was more. Maybe 20-25 eggs hatched; I doubt it could be much higher than that. I may revise the number upward as they grow and I'm able to get a better count.
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

The second batch of eggs hatched overnight, again taking 5 days to hatch. Newly hatched wigglers hang out at the bottom of the fry basket and mostly sit still, occasionally zipping frantically from one place to another.

The fry from the first clutch are now 7 days old, 8mm SL, and swimming around the basket in the open midwater, I presume searching for food. So far, the only first food I've
given them is dry powdered (dust) Repashy bottom scratcher.

Here's a picture of one of the older fry.
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

This week I counted all the fry I have remaining from those two spawns at the end of April and start of May. In total, I have about 17 juvies. There are 2-3 individuals that are weirdly colored. Their heads and caudal peduncles are very pale and they have a single dark spot on the midbody flank. By contrast, the other fish appear approximately evenly dark when viewed from above.

Cheers, Eric
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Normal dark grey colored juvies
Normal dark grey colored juvies
Pale juvenile
Pale juvenile
Pale juvenile
Pale juvenile
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by MarcW »

Good to see you have managed to raise some Eric.

It could just be the perspective of the pictures, the paler ones look smaller to me, could they just be developing slower, maybe not getting as much food as the others? Maybe in a few weeks they'll catch up and their colour will darken?
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Hi Marc,
Thanks. Yes those are all possibilities, although at least one of the pale fish is quite large. Although I always see 2-3 pale fish, honestly I have no idea if they're the same fish each time. Maybe it's just normal color change.
Time will tell.
Cheers, Eric
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Dang,

I went away for the weekend (Father's Day) and in my absence, the basket holding the 1.5 month old zamora fry tipped over and released the babies into their parents' tank. I don't see any of the fry now. Either they're really good at hiding in the tank, or they're hiding in their parents' stomaches. :-(

Also, I missed a fresh spawn by the parents (maybe they spawned after a nutritional meal of fry!)... I see a bunch of old eggs around the tank, but none look good. Not ghostly clear/white, but just white.

I guess we start over.

Regards, Eric
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by MarcW »

That's a shame, I'll keep my fingers crossed that they are hiding.

Given the number of eggs you found last time, hopefully there are a few viable eggs hiding too!
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Great news. While doing a water change last week, I observed three of the fry. Since then, I've seen at least six at once during feedings with frozen brine shrimp. Today I managed to net one of the smaller fish for photos. I don't know if all 17 are still alive, but definitely many have survived. I'm really relieved. #-O :YMAPPLAUSE:

The white spot on its flank is a sand grain.

Cheers, Eric
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Two month old zamora woodcat
Two month old zamora woodcat
Two month old zamora woodcat
Two month old zamora woodcat
Two month old zamora woodcat
Two month old zamora woodcat
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Here's one of the larger juveniles. It paused momentarily while eating frozen brine shrimp; otherwise, photo would have been a blur. :))
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Three months old. Largest fish is 40mm SL. Dang they grow fast!
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Offspring now six months old; largest is 70mm SL. Time for them to go to market. :-)

Cheers, Eric
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by jac »

Great job, nice picture update too :-BD
Thanks for sharing!
Every great achievement begins with a dream ;-)
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by CoryWally »

Great achievement Eric!
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Thanks, everyone.

Cheers, Eric
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

Hi All,

It's been a while since I saw these do anything interesting, but tonight I observed two adults (I estimate 8-10cm SL each) get into a clasped spiral and swim to the water surface before breaking off. Sadly, I found no eggs tonight. But I'll check again tomorrow.

P.s. these fish LOVE Cobalt brand shrimp pellets!

Cheers, Eric

Direct link to YouTube video: Auchenipterichthys coracoideus courtship or conflict? 2022-01-13
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bekateen
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Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

In this screen capture, you can see the male really twisting his anal fin while trying to inseminate the female:
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Auchenipterichthys coracoideus attempted mating 2022-01-13.png
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bekateen
Posts: 8985
Joined: 09 Sep 2014, 17:50
I've donated: $40.00!
My articles: 4
My images: 130
My cats species list: 142 (i:102, k:39)
My aquaria list: 36 (i:13)
My BLogs: 44 (i:149, p:2671)
My Wishlist: 35
Spotted: 177
Location 1: USA, California, Stockton
Location 2: USA, California, Stockton
Contact:

Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

spawned again. It's been a long time since I've had any eggs from these parents, so it's nice to see spawning restart. I don't think these eggs are viable but again, it's a restart... Hopefully more eggs follow these.

20230930_202432.jpg
20230930_202457.jpg

Not knowing if the eggs are viable, I collected as many as I could. Approximately 170 eggs. Fingers crossed!

20230930_232552~2.jpg
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Find me on YouTube and Facebook: http://youtube.com/user/Bekateen1; https://www.facebook.com/Bekateen
Buying caves from https://plecocaves.com? Plecocaves sponsor Bekateen's Fishroom. Use coupon code "bekateen" (no quotes) for 15% off your order.
User avatar
bekateen
Posts: 8985
Joined: 09 Sep 2014, 17:50
I've donated: $40.00!
My articles: 4
My images: 130
My cats species list: 142 (i:102, k:39)
My aquaria list: 36 (i:13)
My BLogs: 44 (i:149, p:2671)
My Wishlist: 35
Spotted: 177
Location 1: USA, California, Stockton
Location 2: USA, California, Stockton
Contact:

Re: Auchenipterichthys coracoideus (zamora woodcat) spawned

Post by bekateen »

None of these eggs seem to be developing, and most have fungused. But last night I found a few fresh eggs with yellow yolks. These look more like what I recall as good eggs. I put them in a German breeder ring.

Cheers, Eric
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Find me on YouTube and Facebook: http://youtube.com/user/Bekateen1; https://www.facebook.com/Bekateen
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